05/29/2026
Pumpgas 509ci bbc. Gen6 502 block bored .030 over, gm steel crankshaft, dimple 7/16 rods, wiesco pistons. 9.1to1 compression. Gm performance hydrulic roller camshaft. 254/264 duration and .669 lift ex and intake valve. Melling77 oil pump, fully ported rpc aluminum heads 122cc combustion chambers, elgin stainless steel prostock valves, manley pushrods, comp adjustable guide plates, manley head bolts, cometic mls head gaskets, felpro gaskets and seals, fully ported Weiand track Warrior intake manifold.